A preserved college lock-up that recalls a clubhouse approach to discipline.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

An abandoned train station in Munich constructed for the 1972 Olympic games.

Legendary site where an evil bishop was devoured by rodents.

This East German military command bunker was ready for World War III.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

It's good luck to be mocked by this monkey.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

Cold war icon and onetime "hole" in the iron curtain.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

The last bastion of Roman presence north of the Alps looms over a German town.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

Thousands of flowers create enchanting pink tunnels over the city streets.

A former ironworks that was the first UNESCO industrial site.

This former steel and coal plant is now a neon-lit industrial fantasia.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.